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It’s a little strange to do this correction, but it was suggested that I could have done a better job at explaining that chord and knot thing. Let’s give this a try:: :

Take a length of chord or hemp rope (Lt finger tips to Rt finger tips will do); beginning at one end with a knot tie twelve knots equally spaced apart and the chord ends together so that you have a loose loop of 12 equally spaced knots and spaces; take one of three straight stakes (call it stake 1) and pound it through one of the knots (call it knot 1) and into the ground as a starting point; starting with knot 1 at stake 1 mark out three spaces pulling the chord tight and at knot 4 pound another stake (call it stake 2) inside that hemp rope of knots or through knot 4 into the ground; mark out another 4 spaces and while pulling taught that chord so that it tightens around stake 2 and tightens all around pound stake 3 through knot 8 at that taught point keeping all three formed sides tight and one has the likeness of a 3,4,5, right triangle (3+4+5=12).

If that loop of equally spaced knots were situated around a central point where each knot was the same distance away from the center point, one would have a circle or pie of twelve equal pieces if one were to draw a line from each knot to that center point.